Annual report pursuant to Section 13 and 15(d)

Percentage Range by Which Fair Value Exceeds Carrying Value of Broadcasting Licenses for Each of Clusters (Detail)

v2.4.0.8
Percentage Range by Which Fair Value Exceeds Carrying Value of Broadcasting Licenses for Each of Clusters (Detail) (Broadcast licenses, USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Entity
Less than or equal to 25%
 
Fair Value Measurements [Line Items]  
Number of market clusters 9
Carrying value $ 217,111
>26% to 30%
 
Fair Value Measurements [Line Items]  
Number of market clusters 1
Carrying value 18,501
>30% to 75%
 
Fair Value Measurements [Line Items]  
Number of market clusters 2
Carrying value 13,577
Less than or equal 5% | Station Operating Income [Member]
 
Fair Value Measurements [Line Items]  
Number of market clusters 8
Carrying value 51,850
>6% To 10% | Station Operating Income [Member]
 
Fair Value Measurements [Line Items]  
Number of market clusters 1
Carrying value 2,402
>11% To 40 % | Station Operating Income [Member]
 
Fair Value Measurements [Line Items]  
Number of market clusters 4
Carrying value 61,354
> than 40% | Station Operating Income [Member]
 
Fair Value Measurements [Line Items]  
Number of market clusters 8
Carrying value $ 21,835